Roll Skia from 35371bd92f10 to 68e4e20fae84 (6 revisions) (#28070)

DEPS

@@ -27,7 +27,7 @@ vars = {
   'skia_git': 'https://skia.googlesource.com',
   # OCMock is for testing only so there is no google clone
   'ocmock_git': 'https://github.com/erikdoe/ocmock.git',
-  'skia_revision': '35371bd92f1040f3d4dfa98c6feb19990256177f',
+  'skia_revision': '68e4e20fae84e2aa6f234855e0721e01756d51e3',
 
   # When updating the Dart revision, ensure that all entries that are
   # dependencies of Dart are also updated to match the entries in the

ci/licenses_golden/licenses_skia

-Signature: 81f51cba2463c52ae084237f4ec72138
+Signature: f64876edf3a6d423606e422cfda132e8
 
 UNUSED LICENSES: